JPS58125007A - 投影レンズ - Google Patents

投影レンズ

Info

Publication number
JPS58125007A
JPS58125007A JP57008113A JP811382A JPS58125007A JP S58125007 A JPS58125007 A JP S58125007A JP 57008113 A JP57008113 A JP 57008113A JP 811382 A JP811382 A JP 811382A JP S58125007 A JPS58125007 A JP S58125007A
Authority
JP
Japan
Prior art keywords
lens
curvature
group
radius
aperture
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP57008113A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6218894B2 (enrdf_load_stackoverflow
Inventor
Yoshiharu Yamamoto
義春 山本
Yasuo Nakajima
康夫 中嶋
Yoshitomi Nagaoka
長岡　良富
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP57008113A priority Critical patent/JPS58125007A/ja
Priority to US06/459,242 priority patent/US4548480A/en
Publication of JPS58125007A publication Critical patent/JPS58125007A/ja
Publication of JPS6218894B2 publication Critical patent/JPS6218894B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/16—Optical objectives specially designed for the purposes specified below for use in conjunction with image converters or intensifiers, or for use with projectors, e.g. objectives for projection TV

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP57008113A 1982-01-20 1982-01-20 投影レンズ Granted JPS58125007A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP57008113A JPS58125007A (ja) 1982-01-20 1982-01-20 投影レンズ
US06/459,242 US4548480A (en) 1982-01-20 1983-01-19 Projection lens apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57008113A JPS58125007A (ja) 1982-01-20 1982-01-20 投影レンズ

Publications (2)

Publication Number Publication Date
JPS58125007A true JPS58125007A (ja) 1983-07-25
JPS6218894B2 JPS6218894B2 (enrdf_load_stackoverflow) 1987-04-24

Family

ID=11684232

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57008113A Granted JPS58125007A (ja) 1982-01-20 1982-01-20 投影レンズ

Country Status (2)

Country Link
US (1) US4548480A (enrdf_load_stackoverflow)
JP (1) JPS58125007A (enrdf_load_stackoverflow)

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6067914A (ja) * 1983-09-22 1985-04-18 Konishiroku Photo Ind Co Ltd テレビプロジェクタ用投影レンズ
JPS6073514A (ja) * 1983-09-30 1985-04-25 Hitachi Ltd プロジェクションテレビ用レンズ
US4564269A (en) * 1983-08-29 1986-01-14 Nippon Kogaku K.K. Projection lens
JPS6156645U (enrdf_load_stackoverflow) * 1984-09-17 1986-04-16
JPS6180119A (ja) * 1984-09-27 1986-04-23 Matsushita Electric Ind Co Ltd 投写光学装置
JPS61147213A (ja) * 1984-12-20 1986-07-04 Matsushita Electric Ind Co Ltd 投写レンズ
JPS61180214A (ja) * 1985-02-06 1986-08-12 Matsushita Electric Ind Co Ltd 投写レンズ
US4682862A (en) * 1986-01-17 1987-07-28 U.S. Precision Lens Incorporated Projection lens
US4685774A (en) * 1986-01-17 1987-08-11 U.S. Precision Lens, Incorporated Projection lens
US4690515A (en) * 1984-12-20 1987-09-01 Matsushita Electric Industrial Co., Ltd. Compact projection lens
US4697892A (en) * 1983-10-18 1987-10-06 U.S. Precision Lens, Inc. Projection lens
US4704009A (en) * 1984-12-05 1987-11-03 Matsushita Electric Industrial Co., Ltd. Projection lens
US4733953A (en) * 1985-02-06 1988-03-29 Matsushita Electric Industrial Co., Ltd. Color corrected projection lens
US4755028A (en) * 1986-10-14 1988-07-05 U.S Precision Lens, Incorporated Projection lens with an aspherical corrector lens element
US4776681A (en) * 1986-01-17 1988-10-11 U.S. Precision Lens, Incorporated Projection lens
US4778264A (en) * 1985-10-09 1988-10-18 Fuji Photo Optical Co., Ltd. Refraction-type projection lens
US4792218A (en) * 1987-01-08 1988-12-20 Matsushita Electric Industrial Co., Ltd. Projection lens for high definition TV
US4801196A (en) * 1984-08-21 1989-01-31 U.S. Precision Lens, Incorporated Wide angle projection lens
US4815831A (en) * 1985-07-11 1989-03-28 U.S. Precision Lens, Incorporated Projection lens with color correction
JP2005284153A (ja) * 2004-03-30 2005-10-13 Nidec Copal Corp 撮像レンズ

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6087311A (ja) * 1983-10-19 1985-05-17 Matsushita Electric Ind Co Ltd 画像投写レンズ
JP2593430B2 (ja) * 1984-05-02 1997-03-26 オリンパス光学工業株式会社 内視鏡用照明光学系
US4770513A (en) * 1985-11-01 1988-09-13 Nippon Kogaku K. K. Projection lens
US5066113A (en) * 1989-08-18 1991-11-19 Nikon Corporation Projecting lens
US5579164A (en) * 1993-11-12 1996-11-26 Pharos Technology Corporation Spatially multiplexed image display system
US5870228A (en) * 1996-05-24 1999-02-09 U.S. Precision Lens Inc. Projection lenses having larger back focal length to focal length ratios
EP0825474B1 (en) * 1996-08-16 2003-11-26 3M Innovative Properties Company Mini-zoom projection lenses for use with pixelized panels
US5991089A (en) * 1997-01-31 1999-11-23 U.S. Precision Lens Inc. Long focal length projection lenses for use with large pixelized panels
US5982550A (en) * 1998-06-17 1999-11-09 Chrylser Corporation Viewing angle lens

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55124114A (en) * 1978-09-08 1980-09-25 Us Precision Lens Inc Projector lens
JPS56125716A (en) * 1980-03-08 1981-10-02 Ishida Koki Seisakusho:Kk Projection lens for three primary color projection type large-size television
JPS56128914A (en) * 1980-03-06 1981-10-08 Minolta Camera Co Ltd Projector lens for video projector
JPS5734515A (en) * 1980-08-09 1982-02-24 Minolta Camera Co Ltd Refracting index type optical system for video projector
JPS57108818A (en) * 1980-12-26 1982-07-07 Nippon Kogaku Kk <Nikon> Projection lens
JPS57177115A (en) * 1981-04-23 1982-10-30 Jihei Nakagawa Projection lens device
JPS58118616A (ja) * 1982-01-08 1983-07-14 Minolta Camera Co Ltd ビデオプロジエクタ−用屈折型光学系

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4300817A (en) * 1978-09-08 1981-11-17 U.S. Precision Lens Incorporated Projection lens
US4348081A (en) * 1979-09-05 1982-09-07 U.S. Precision Lens Inc. Projection lens

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55124114A (en) * 1978-09-08 1980-09-25 Us Precision Lens Inc Projector lens
JPS56128914A (en) * 1980-03-06 1981-10-08 Minolta Camera Co Ltd Projector lens for video projector
JPS56125716A (en) * 1980-03-08 1981-10-02 Ishida Koki Seisakusho:Kk Projection lens for three primary color projection type large-size television
JPS5734515A (en) * 1980-08-09 1982-02-24 Minolta Camera Co Ltd Refracting index type optical system for video projector
JPS57108818A (en) * 1980-12-26 1982-07-07 Nippon Kogaku Kk <Nikon> Projection lens
JPS57177115A (en) * 1981-04-23 1982-10-30 Jihei Nakagawa Projection lens device
JPS58118616A (ja) * 1982-01-08 1983-07-14 Minolta Camera Co Ltd ビデオプロジエクタ−用屈折型光学系

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4564269A (en) * 1983-08-29 1986-01-14 Nippon Kogaku K.K. Projection lens
JPS6067914A (ja) * 1983-09-22 1985-04-18 Konishiroku Photo Ind Co Ltd テレビプロジェクタ用投影レンズ
JPS6073514A (ja) * 1983-09-30 1985-04-25 Hitachi Ltd プロジェクションテレビ用レンズ
US4697892A (en) * 1983-10-18 1987-10-06 U.S. Precision Lens, Inc. Projection lens
US4801196A (en) * 1984-08-21 1989-01-31 U.S. Precision Lens, Incorporated Wide angle projection lens
JPS6156645U (enrdf_load_stackoverflow) * 1984-09-17 1986-04-16
JPS6180119A (ja) * 1984-09-27 1986-04-23 Matsushita Electric Ind Co Ltd 投写光学装置
US4704009A (en) * 1984-12-05 1987-11-03 Matsushita Electric Industrial Co., Ltd. Projection lens
JPS61147213A (ja) * 1984-12-20 1986-07-04 Matsushita Electric Ind Co Ltd 投写レンズ
US4690515A (en) * 1984-12-20 1987-09-01 Matsushita Electric Industrial Co., Ltd. Compact projection lens
US4733953A (en) * 1985-02-06 1988-03-29 Matsushita Electric Industrial Co., Ltd. Color corrected projection lens
JPS61180214A (ja) * 1985-02-06 1986-08-12 Matsushita Electric Ind Co Ltd 投写レンズ
US4815831A (en) * 1985-07-11 1989-03-28 U.S. Precision Lens, Incorporated Projection lens with color correction
US4778264A (en) * 1985-10-09 1988-10-18 Fuji Photo Optical Co., Ltd. Refraction-type projection lens
US4685774A (en) * 1986-01-17 1987-08-11 U.S. Precision Lens, Incorporated Projection lens
US4682862A (en) * 1986-01-17 1987-07-28 U.S. Precision Lens Incorporated Projection lens
US4776681A (en) * 1986-01-17 1988-10-11 U.S. Precision Lens, Incorporated Projection lens
US4755028A (en) * 1986-10-14 1988-07-05 U.S Precision Lens, Incorporated Projection lens with an aspherical corrector lens element
US4792218A (en) * 1987-01-08 1988-12-20 Matsushita Electric Industrial Co., Ltd. Projection lens for high definition TV
JP2005284153A (ja) * 2004-03-30 2005-10-13 Nidec Copal Corp 撮像レンズ

Also Published As

Publication number Publication date
JPS6218894B2 (enrdf_load_stackoverflow) 1987-04-24
US4548480A (en) 1985-10-22

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